Science 8Th Grade Test 3

Front 1

dilution

Back 1

the use of adding water to a substance to make it less concentrated

Front 2

porosity

Back 2

the amount of water that flows through a aquifer

Front 3

confining layer

Back 3

an area were water exits an aquifer

Front 4

aquitard

Back 4

slow moving water

Front 5

aquifer

Back 5

an under ground sorce of water that has an abundance wild life and long twisting caves. They oftan have limestone cavener whitch water moves fairly fast though it.

Front 6

precipitation

Back 6

part of the hydrologic cycle were rain fall back to the earth.

Front 7

ppm/ppb

Back 7

partical per billion partical per million

Front 8

polution tolerant

Back 8

an ecosystem that withstand mild amoutn of polution with out dramatic efects

Front 9

pollution intolerant

Back 9

an ecosystem that can't withstand very much pollution and is dramatically effected by polution.

Front 10

carbon dioxide

Back 10

a harmfull chemical the is in acid that could be in acid rain.

Front 11

sulfur dioxide

Back 11

another acid that is found in acid rain. this acid is stronger than co2

Front 12

nitrogen dioxide

Back 12

an acid found in acid rain that's stonger than sulfur dioxide

Front 13

acid rain

Back 13

many types of acid that enter the atmosphere fall back in rain. Some acids are sulfur dioxide carbon dioxide nitrogen dioxide and other chemicals that cause large amounts of damage.

Front 14

solution

Back 14

2 or more substances mixed together that can't be separated by hand

Front 15

point source pollution

Back 15

A point source of pollution is a single identifiable localized source of air and water

Front 16

non point source pollution

Back 16

is pollution from sources that can't be tied to a specific location

Front 17

concentration

Back 17

solute to solution

Front 18

nitrous oxide

Back 18

is another acid in acid rain

Front 19

permeability

Back 19

the amount of water an aquifer can hold

Front 20

watershed

Back 20

recharge zones for an aquifer

Front 21

artesan

Back 21

a spot were water goes to the surface from an aquifer without being pumped

Front 22

water table

Back 22

indecates the highest potential level of ground water

Front 23

tibutary

Back 23

the test of how clear the water is by lowering a black and white disk till it is no longer visible.

Front 24

recharge zone

Back 24

an area where water can enter an aquifer.

Front 25

subsidence

Back 25

subsidence is the motion of the earths surface as it shifts downward relative to sea-level

Front 26

discharge

Back 26

an area were water comes out of an aquifer. the area normaly being an artisan well

Front 27

impermeable

Back 27

a substance like clay that can't hold very much water water

Front 28

sinkhole

Back 28

is a natural depression or hole in the surface topography caused by the removal of soil or bedrock

Front 29

faults

Back 29

is a planar rock fracture which shows evidence of relative movement

Front 30

solute

Back 30

a liquid in a solution

Front 31

solvent

Back 31

a solid that is dissolved in a solution

Front 32

cave

Back 32

a part of an aquifer were water is stored

Front 33

calcium carbonate

Back 33

a chemical that react with acid making co2

Front 34

carbonic acid

Back 34

another acid found in acid rain